61346431317 has 16 divisors (see below), whose sum is σ = 86212280000. Its totient is φ = 38694703104.

The previous prime is 61346431313. The next prime is 61346431337. The reversal of 61346431317 is 71313464316.

It is not a de Polignac number, because 61346431317 - 2² = 61346431313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61346431313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655942 + ... + 743607.

It is an arithmetic number, because the mean of its divisors is an integer number (5388267500).

Almost surely, 2^61346431317 is an apocalyptic number.

It is an amenable number.

61346431317 is a deficient number, since it is larger than the sum of its proper divisors (24865848683).

61346431317 is a wasteful number, since it uses less digits than its factorization.

61346431317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400340.

The product of its digits is 108864, while the sum is 39.

The spelling of 61346431317 in words is "sixty-one billion, three hundred forty-six million, four hundred thirty-one thousand, three hundred seventeen".